
    js                       U d Z ddlmZ ddlZddlZddlZddlmZ ddlm	Z	m
Z
 ddlmZmZmZ ddlmZ ddlmZmZmZ dd	lmZmZmZmZ dd
lmZ ddlmZmZmZ ddlm Z  dZ!dZ"h dZ#dZ$ e       Z%d$dZ&d%dZ'd&dZ( ee)      Z*de+d<   dZ,dZ-d'dZ.d'dZ/d'dZ0d(dZ1d)dZ2e	 G d d             Z3d*dZ4 ee      fd+d Z5d,d-d!Z6d.d"Z7d/d#Z8y)0aG  Invite-only accounts: argon2id passwords, server-side sessions in an
HttpOnly cookie, and a CSRF header on unsafe requests.

Every permission check goes through `current_user` + `require_center` /
`require_admin`, so an external identity provider (e.g. NAC's Stytch) can
replace this module later without touching the routers.
    )annotationsN)defaultdict)	dataclassfield)UTCdatetime	timedelta)PasswordHasher)InvalidHashErrorVerificationErrorVerifyMismatchError)DependsHTTPExceptionRequestResponse)
Connection   )fetchallfetchoneget_conn)get_settingsavyg_sessionzx-csrf-token>   GETHEADOPTIONS
   c                x    t        |       t        k  rt        ddt         d      t        j	                  |       S )Ni  zPassword must be at least z characters.)lenMIN_PASSWORDr   _phhash)passwords    %/var/www/avy-guidance/api/app/auth.pyhash_passwordr$   "   s4    
8}|#C#=l^<!XYY88H    c                d    	 t         j                  | |      S # t        t        t        f$ r Y yw xY w)NF)r    verifyr   r   r   )password_hashr"   s     r#   verify_passwordr)   (   s3    zz-22!24DE s    //c                d    t        j                  | j                               j                         S N)hashlibsha256encode	hexdigest)tokens    r#   
token_hashr1   /   s     >>%,,.)3355r%   zdict[str, list[float]]	_ATTEMPTSi  c                    t        j                         }t        |    D cg c]  }||z
  t        k  s| c}t        | <   t	        t        |          t
        k\  rt        dd      y c c}w )Ni  z1Too many login attempts. Try again in 15 minutes.)time	monotonicr2   WINDOW_Sr   MAX_ATTEMPTSr   )keynowts      r#   check_throttler;   :   s[    
..
C!*3FA37X3EaFIcN
9S>l*C!TUU + Gs
   A&A&c                X    t         |    j                  t        j                                y r+   )r2   appendr4   r5   r8   s    r#   record_failurer?   A   s    cN$..*+r%   c                0    t         j                  | d        y r+   )r2   popr>   s    r#   clear_throttlerB   E   s    MM#tr%   c           	        t               }t        j                  d      }t        j                  d      }t        j                  t
              t        |j                        z   }| j                  dt        |      |||f       | j                  d|f       | j                  d       |j                  t        ||j                  dz  d|j                  d	d
       |S )N       )dayszRINSERT INTO sessions (id, user_id, csrf_token, expires_at) VALUES (%s, %s, %s, %s)z4UPDATE users SET last_login_at = now() WHERE id = %sz-DELETE FROM sessions WHERE expires_at < now()iQ Tlax/)max_agehttponlysecuresamesitepath)r   secretstoken_urlsafer   r9   r   r	   session_daysexecuter1   
set_cookieCOOKIEcookie_secure)connuser_idresponsesettingsr0   csrfexpiress          r#   create_sessionr[   L   s    ~H!!"%E  $Dll3)1F1F"GGGLL\	E	GT73 	LLG'TLL@A%%-%%   Kr%   c                    |j                   j                  t              }|r| j                  dt	        |      f       |j                  t        d       y )Nz"DELETE FROM sessions WHERE id = %srH   )rM   )cookiesgetrS   rQ   r1   delete_cookie)rU   requestrW   r0   s       r#   destroy_sessionra   c   sC    OO'E9Ju<M;OP6,r%   c                  d    e Zd ZU ded<   ded<   ded<   ded<   ded<    ee	      Zd
ed<   ddZy)Userintidstremailnameboolis_adminrY   )default_factorydict[int, str]membershipsc                R    | j                   ry| j                  j                  |      S )Ncenter_admin)rj   rm   r^   )self	center_ids     r#   role_inzUser.role_ins   s#    ==!##I..r%   N)rq   rd   returnz
str | None)__name__
__module____qualname____annotations__r   dictrm   rr    r%   r#   rc   rc   j   s/    GJ
IN
I"'"=K=/r%   rc   c                V    t        | d|f      }|D ci c]  }|d   |d    c}S c c}w )Nz:SELECT center_id, role FROM memberships WHERE user_id = %srq   role)r   )rU   rV   rowsrs       r#   load_membershipsr~   y   s6    DVY`XbcD/34!AkNAfI%444s   &c                .   | j                   j                  t              }|st        dd      t	        |dt        |      f      }|st        dd      | j                  t        vrCt        j                  | j                  j                  t        d      |d         st        dd      t        j                  t              |d	   z
  t        d
      kD  r|j!                  d|d   f       t#        |d   |d   |d   |d   |d   t%        ||d               S )Ni  zNot signed inzSELECT s.id AS sid, s.csrf_token, s.last_seen_at, u.id, u.email, u.name, u.is_admin
           FROM sessions s JOIN users u ON u.id = s.user_id
           WHERE s.id = %s AND s.expires_at > now() AND u.is_activezSession expired 
csrf_token  zMissing or invalid CSRF tokenlast_seen_atr   )minutesz6UPDATE sessions SET last_seen_at = now() WHERE id = %ssidre   rg   rh   rj   )re   rg   rh   rj   rY   rm   )r]   r^   rS   r   r   r1   methodSAFE_METHODSrN   compare_digestheadersCSRF_HEADERr   r9   r   r	   rQ   rc   r~   )r`   rU   r0   rows       r#   current_userr   ~   s   OO'EC11
	G 
E	C C!233~~\)'2H2HK,c,.?3 C!@AA||C3~..21FFMPSTYPZ}]t9'l[Z$T3t95 r%   c                R    | j                  |      }||r|dk7  rt        dd      |S )zPRaise 403 unless the user belongs to the center (as center_admin if admin=True).ro   r   z%You do not have access to this center)rr   r   )userrq   adminr{   s       r#   require_centerr      s1    <<	"D|$."8C!HIIKr%   c                4    | j                   st        dd      y )Nr   zAdministrators only)rj   r   )r   s    r#   require_adminr      s    ==C!677 r%   c           
     :   t        | |j                  rdnd|j                  rd n|j                  f      }|j                  |j                  |j                  |j                  d|D cg c]  }i |d|j                  |d         i c}|j                  dS c c}w )Nz0SELECT id, slug, name FROM centers ORDER BY namezxSELECT c.id, c.slug, c.name FROM centers c JOIN memberships m ON m.center_id = c.id WHERE m.user_id = %s ORDER BY c.name)re   rg   rh   rj   r{   re   )r   centersrY   )r   rj   re   rg   rh   rr   rY   )rU   r   r   cs       r#   
me_payloadr      s    == 	; HDGG:G wwTYYTXTaTabBIJQ8q8&$,,qw"78J		 Js   '!B)r"   rf   rs   rf   )r(   rf   r"   rf   rs   ri   )r0   rf   rs   rf   )r8   rf   rs   None)rU   r   rV   rd   rW   r   rs   rf   )rU   r   r`   r   rW   r   rs   r   )rU   r   rV   rd   rs   rl   )r`   r   rU   r   rs   rc   )F)r   rc   rq   rd   r   ri   rs   rf   )r   rc   rs   r   )rU   r   r   rc   rs   rx   )9__doc__
__future__r   r,   rN   r4   collectionsr   dataclassesr   r   r   r   r	   argon2r
   argon2.exceptionsr   r   r   fastapir   r   r   r   psycopgr   dbr   r   r   rX   r   rS   r   r   r   r    r$   r)   r1   listr2   rw   r6   r7   r;   r?   rB   r[   ra   rc   r~   r   r   r   r   ry   r%   r#   <module>r      s    #    # ( - - ! V V = =  , , "	)6 %0$5	! 5V,.- / / /5
 7>h6G :8
r%   